Mari from Love Live Sunshine

A woman dressed in an anime-inspired schoolgirl costume, with long yellow hair styled in pigtails and bangs. She is wearing a turquoise vest over a white collared shirt, paired with a gray pleated skirt featuring thin white stripes at the hem. Her outfit is completed by knee-high socks and black shoes. The background of the image appears to be an indoor setting, possibly a convention or event where cosplay is common. Overall, the atmosphere suggests a lighthearted and playful environment.